.........           
................          
....#..........  #+#.     
..............# ....#     
..............# .....     
..............##....##    
  #..................     
    #...r.......^..###    
    #.................    
    #..?K..........###    
......................    
......................    
..........##..........    
....##....##....##....    
.... #..........##....    
...  ................#    
##  .................#    
     ..................   
     ...................  
     ..................#  
     .......<..........#  
     ...................  
     ...................  
     .................# ..
     .................##..
     .....................
     .##..........##......
       #....##....##.....#
     .......##..........# 
     ...................# 
     #######.###....##### 
           #.  #..........
           .   #..........
         ∆##   #..........
               #........#.
               ###......# 
                 #......# 
                 #......#